onInterceptTouchEvent可在onTouchEvent()前拦截触摸事件, ViewConfiguration得到触摸的属性如速度,距离等, TouchDelegate控制view展开 Managing Touch Events in a ViewGroup Handling touch events in a ViewGroup takes special care, because it's common for a ViewGroup to have children th
procedure TForm.ADetailDataControllerCollapsing( ADataController: TcxCustomDataController; ARecordIndex: Integer; var AAllow: Boolean); var I: Integer; C: Integer; begin AAllow := False; C := ; do begin if ADataController.GetDetailExpanding(I) then I
今天在工作的时候,遇到了一个需求,就是需要一键展开或者关闭树形结构.关于树形结构的不是很熟悉,然后去百度,结果也不是很准确.最后经过Google才找到.下面分享给大家 直接看代码: var flag = true;//开启还是关闭的标志位 function change_tree(target){ if(flag){ //$table.treegrid('getRootNodes').treegrid('expand'); //$table.treegrid('getParentNode').t